- 行业: Fire safety
- Number of terms: 98780
- Number of blossaries: 0
- Company Profile:
Established in 1896, NFPA's mission is to reduce the worldwide burden of fire and other hazards on the quality of life by providing and advocating consensus codes and standards, research, training, and education.
A device intended to provide protection from the effects of arc faults by recognizing characteristics unique to arcing and by functioning to de-energize the circuit when an arc fault is detected.
Industry:Fire safety
A device intended to supervise the position of an air conditioner, small fan, fixed panel, or similar opening against movement in either direction with the use of a conductor or trip cord extended across the opening.
Industry:Fire safety
A device labeled as a “retrofit rolling steel fire door operator” intended to replace operator and governor systems (including automatic-closing devices) used on existing listed rolling steel fire doors.
Industry:Fire safety
A device located in the gas cylinder valve body that restricts the maximum flow rate to 30 L/min (1. 06 ft3/min).
Industry:Fire safety
A displacement device worn to keep the wearer afloat in water.
Industry:Fire safety
A device on a power unit to redirect all of the system flow to the reservoir.
Industry:Fire safety
A device on an aerial ladder or extensible boom aerial device that indicates the number of feet (meters) that the device has been extended.
Industry:Fire safety
A device or a system of piping and controls that mixes LP-Gas vapor with air to produce a mixed gas of a lower heating value than the LP-Gas.
Industry:Fire safety
A device, or an arrangement of devices, in which the operation of one part or one mechanism of the device or arrangement controls the operation of another part of another mechanism.
Industry:Fire safety
A device or combination of devices that carry, convey, or direct a person(s) over or through a fixed or restricted course within a defined area for the primary purpose of amusement or entertainment.
Industry:Fire safety
